Probability Aptitude MCQ Practice Quiz (Multiple Choice Questions And Answers)
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16. A box contains nine bulbs out of which 4 are defective. If four bulbs are chosen at random, find the probability that exactly three bulbs are good.
- 63/20
- 45/26
- 20/63
- 45/26
17. A box contains 3 blue marbles, 4 red, 6 green marbles and 2 yellow marbles. If four marbles are picked at random, what is the probability that none is blue?
- 91/33
- 45/27
- 33/91
- 27/45
18. A box contains 3 blue marbles, 4 red, 6 green marbles and 2 yellow marbles. If three marbles are picked at random, what is the probability that they are all blue?
- 456/455
- 1000/455
- 1/455
- 455
19. A box contains 3 blue marbles, 4 red, 6 green marbles and 2 yellow marbles. If two marbles are picked at random, what is the probability that they are either blue or yellow?
- 2/23/2021 12:00:00 AM
- 2/17/2021 12:00:00 AM
- 2/21
- 2/15/2021 12:00:00 AM
